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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2011/05/04 16:10:03 UTC
[jira] [Created] (LUCENE-3069) Lucene should be able to have a
entirely memory resident term dictionary
Lucene should be able to have a entirely memory resident term dictionary
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Key: LUCENE-3069
URL: https://issues.apache.org/jira/browse/LUCENE-3069
Project: Lucene - Java
Issue Type: Improvement
Components: Index, Search
Affects Versions: 4.0
Reporter: Simon Willnauer
Assignee: Simon Willnauer
Fix For: 4.0
FST based TermDictionary has been a great improvement yet it still uses a delta codec file for scanning to terms. Some environments have enough memory available to keep the entire FST based term dict in memory. We should add a TermDictionary implementation that encodes all needed information for each term into the FST (custom fst.Output) and builds a FST from the entire term not just the delta.
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[jira] [Updated] (LUCENE-3069) Lucene should have an entirely
memory resident term dictionary
Posted by "Michael McCandless (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless updated LUCENE-3069:
---------------------------------------
Labels: gsoc2012 lucene-gsoc-12 (was: )
> Lucene should have an entirely memory resident term dictionary
> --------------------------------------------------------------
>
> Key: LUCENE-3069
> URL: https://issues.apache.org/jira/browse/LUCENE-3069
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/index, core/search
> Affects Versions: 4.0
> Reporter: Simon Willnauer
> Assignee: Simon Willnauer
> Labels: gsoc2012, lucene-gsoc-12
> Fix For: 4.0
>
>
> FST based TermDictionary has been a great improvement yet it still uses a delta codec file for scanning to terms. Some environments have enough memory available to keep the entire FST based term dict in memory. We should add a TermDictionary implementation that encodes all needed information for each term into the FST (custom fst.Output) and builds a FST from the entire term not just the delta.
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[jira] [Updated] (LUCENE-3069) Lucene should have an entirely
memory resident term dictionary
Posted by "Simon Willnauer (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENE-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Willnauer updated LUCENE-3069:
------------------------------------
Summary: Lucene should have an entirely memory resident term dictionary (was: Lucene should be able to have a entirely memory resident term dictionary)
> Lucene should have an entirely memory resident term dictionary
> --------------------------------------------------------------
>
> Key: LUCENE-3069
> URL: https://issues.apache.org/jira/browse/LUCENE-3069
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index, Search
> Affects Versions: 4.0
> Reporter: Simon Willnauer
> Assignee: Simon Willnauer
> Fix For: 4.0
>
>
> FST based TermDictionary has been a great improvement yet it still uses a delta codec file for scanning to terms. Some environments have enough memory available to keep the entire FST based term dict in memory. We should add a TermDictionary implementation that encodes all needed information for each term into the FST (custom fst.Output) and builds a FST from the entire term not just the delta.
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